Specific to a lockable door in the MOE (2012 IBC)
1014.2 Egress through intervening spaces. Egress through
intervening spaces shall comply with this section.
1. Egress from a room or space shall not pass through
adjoining or intervening rooms or areas, except where
such adjoining rooms or areas and the area served are
accessory to one or the other, are not a Group H occupancy
and provide a discernible path of egress travel to
an exit.
Exception: Means of egress are not prohibited
through adjoining or intervening rooms or spaces in
a Group H, S or F occupancy when the adjoining or
intervening rooms or spaces are the same or a lesser
hazard occupancy group.
2. An exit access shall not pass through a room that can be
locked to prevent egress.
1014.2.1 Multiple tenants. Where more than one tenant
occupies any one floor of a building or structure, each tenant
space, dwelling unit and sleeping unit shall be provided
with access to the required exits without passing
through adjacent tenant spaces, dwelling units and sleeping
units.
Exception: The means of egress from a smaller tenant
space shall not be prohibited from passing through a
larger adjoining tenant space where such rooms or
spaces of the smaller tenant occupy less than 10 percent
of the area of the larger tenant space through which
they pass; are the same or similar occupancy group; a
discernable path of egress travel to an exit is provided;
and the means of egress into the adjoining space is not
subject to locking from the egress side. A required
means of egress serving the larger tenant space shall
not pass through the smaller tenant space or spaces.
